<http://schema.org/headline>
"\u7B2C187\u56DE\u3000Ubuntu\u3067\u4F7F\u3046Twitter\u30AF\u30E9\u30A4\u30A2\u30F3\u30C8\uFF081\uFF09Emacs\u3067Twitter\uFF1AUbuntu Weekly Recipe"^^<http://www.w3.org/2001/XMLSchema#string>
<http://gihyo.jp/admin/serial/01/ubuntu-recipe/0187>